<div class="x-nav">
    <span class="layui-breadcrumb">
        {volist name="nav" id="vo"}
            <a {notempty name="vo.bm_url"} href="{:url($vo.bm_url)}" {/notempty}><cite>{$vo.bm_title}</cite></a>
        {/volist}
    </span>
    <a class="layui-btn layui-btn-small" style="line-height:1.6em;margin-top:3px;float:right" onclick="location.reload()" title="刷新">
        <i class="layui-icon layui-icon-refresh" style="line-height:30px"></i>
    </a>
</div>